CN211391671U - Unmanned aerial vehicle descending mechanism - Google Patents
Unmanned aerial vehicle descending mechanism Download PDFInfo
- Publication number
- CN211391671U CN211391671U CN201820167534.7U CN201820167534U CN211391671U CN 211391671 U CN211391671 U CN 211391671U CN 201820167534 U CN201820167534 U CN 201820167534U CN 211391671 U CN211391671 U CN 211391671U
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- landing gear
- gear arm
- spring
- unmanned aerial
- aerial vehicle
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Abstract
The utility model discloses an unmanned aerial vehicle landing mechanism, which comprises a first landing gear arm, a second landing gear arm, an arm connecting piece and a linear driving device, wherein the arm connecting piece is fixed below the unmanned aerial vehicle body, one end of the first landing gear arm is hinged on the arm connecting piece, the first landing gear arm is hinged with the second landing gear arm, the second landing gear arm is hinged with a support rod, a spring A is arranged between the unmanned aerial vehicle body and the first landing gear arm, a spring B is arranged between the first landing gear arm and the second landing gear arm, a spring C is arranged between the second landing gear arm and the support rod, the spring A, the spring B and the spring C are all vertically arranged, the support rod is horizontally arranged, a motor is arranged on the unmanned aerial vehicle body, a winding drum is arranged at the front end of the shaft of the motor, a rope is fixed on the winding drum, and the free end of the rope passes, the utility model discloses simple structure, undercarriage when having reduced the landing impact to unmanned aerial vehicle.
Description
Technical Field
The utility model relates to an unmanned air vehicle technique field especially relates to an unmanned aerial vehicle descending mechanism.
Background
Unmanned aerial vehicles can be classified into military and civil according to application fields. For military use, unmanned aerial vehicles divide into reconnaissance aircraft and target drone. In the civil aspect, the unmanned aerial vehicle + the industry application is really just needed by the unmanned aerial vehicle; at present, the unmanned aerial vehicle is applied to the fields of aerial photography, agriculture, plant protection, self-shooting, express transportation, disaster relief, wild animal observation, infectious disease monitoring, surveying and mapping, news reporting, power inspection, disaster relief, film and television shooting, romantic manufacturing and the like, the application of the unmanned aerial vehicle is greatly expanded, and developed countries actively expand industrial application and develop unmanned aerial vehicle technology.
The current unmanned aerial vehicle descending mechanism security is poor in the use, when unmanned aerial vehicle descending in-process, because the weight of self great impact force occasionally lands, makes the unmanned aerial vehicle organism take place to empty easily, and then makes wing or organism impaired, is unfavorable for the problem that lands of unmanned aerial vehicle safety. And the undercarriage makes unmanned aerial vehicle flight inconvenient longer easily, makes unmanned aerial vehicle damage easily when flying in narrow and small space, and airflow resistance when great undercarriage increases the flight easily, the unmanned aerial vehicle stable flight of not being convenient for.
Disclosure of Invention
In order to solve the problem, the utility model provides a simple structure, unmanned aerial vehicle descending mechanism who has buffer function.
The landing mechanism of the unmanned aerial vehicle comprises a first landing gear arm, a second landing gear arm, a first landing gear arm connecting piece and a linear driving device, wherein the first landing gear arm connecting piece is fixed below a fuselage of the unmanned aerial vehicle, the first landing gear arm and the second landing gear arm are both rod-shaped pieces, one end of the first landing gear arm is hinged to the first landing gear arm connecting piece, the other end of the first landing gear arm is hinged to one end of the second landing gear arm, the other end of the second landing gear arm is hinged to a supporting rod, a spring A is arranged between the fuselage of the unmanned aerial vehicle and the first landing gear arm, one end of the spring A is fixed on the fuselage of the unmanned aerial vehicle, the other end of the spring A is fixed at one end, away from the unmanned aerial vehicle, of the first landing gear arm, a spring B is arranged between the first landing gear arm and the second landing gear arm, one end of the spring B is, the fixed point is positioned close to one end of the second falling frame arm hinged with the support rod; a spring C is arranged between the second landing gear arm and the support rod, one end of the spring C is fixed on the second landing gear arm, the fixed point is positioned at one end close to the hinged point of the first landing gear arm, the other end of the spring C is fixed on the support plate, and the fixed point is positioned at one end far away from the hinged point of the support plate and the second landing gear arm; the spring A, the spring B and the spring C are all vertically arranged, and the supporting rod is horizontally arranged;
be provided with the motor on the unmanned aerial vehicle fuselage, the axle and the bracing piece of motor parallel, the axle front end of motor is provided with the reel, is fixed with the rope on the reel, and the free end of rope passes the bracing piece and fixes on the unmanned aerial vehicle fuselage.
Unmanned aerial vehicle descending mechanism be provided with two, and be symmetrical arrangement.
The frame arm connecting piece is a plate-shaped piece.
The middle part of the supporting rod is provided with a hole for a rope to pass through.
The first lifting frame arm, the second lifting frame arm and the support rod are made of aluminum alloy, and iron blocks are embedded in the support rod.
The supporting rod is provided with a rubber cushion pad.
The beneficial effects of the utility model reside in that: through the design of the spring A, the spring B and the spring C, buffering is realized between the undercarriage and the unmanned aerial vehicle, so that the impact of the undercarriage on the unmanned aerial vehicle is reduced, and the unmanned aerial vehicle can land safely; moreover, the motor rotates and makes the rope winding on the reel, and rope pulling bracing piece upward movement to make the undercarriage folding, reduced the volume of undercarriage, airflow resistance when having reduced the flight has guaranteed that unmanned aerial vehicle stably flies. Compared with the prior art, the mechanism has simpler structure.
Drawings
Fig. 1 is a schematic structural view of a landing mechanism of an unmanned aerial vehicle;
in the figure, 1-a first landing gear arm, 2-a second landing gear arm, a 3-arm connecting piece, a 4-supporting rod, a 5-spring A, a 6-spring B, a 7-spring C, an 8-motor, a 9-winding drum and a 10-unmanned aerial vehicle body are arranged.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1, an unmanned aerial vehicle landing mechanism comprises a first landing gear arm 1, a second landing gear arm 2, a landing gear arm connecting piece 3 and a linear driving device, wherein the landing gear arm connecting piece 3 is fixed below an unmanned aerial vehicle body 10, the first landing gear arm 1 and the second landing gear arm 2 are both rod-shaped pieces, one end of the first landing gear arm 1 is hinged on the landing gear arm connecting piece 3, the other end of the first landing gear arm 1 is hinged with one end of the second landing gear arm 2, the other end of the second landing gear arm 2 is hinged with a supporting rod 4, a spring a5 is arranged between the unmanned aerial vehicle body 10 and the first landing gear arm 1, one end of the spring a5 is fixed on the unmanned aerial vehicle body 10, the other end of the spring a5 is fixed at one end of the first landing gear arm 1 far away from the unmanned aerial vehicle, a spring B6 is arranged between the first landing gear arm 1 and the second landing gear arm 2, one end, the other end of the spring B6 is fixed on the second landing gear arm 2, and the fixed point is positioned near one end of the second landing gear arm 2 hinged with the support rod 4; a spring C7 is arranged between the second landing gear arm 2 and the support rod 4, one end of the spring C7 is fixed on the second landing gear arm 2, the fixed point is positioned at one end close to the hinged point of the first landing gear arm 1, the other end of the spring C7 is fixed on the support plate, and the fixed point is positioned at one end far away from the hinged point of the support plate and the second landing gear arm 2; the spring A5, the spring B6 and the spring C7 are all vertically arranged, and the support rod 4 is horizontally arranged;
be provided with motor 8 on the unmanned aerial vehicle fuselage 10, motor 8's axle parallels with bracing piece 4, and motor 8's axle front end is provided with reel 9, is fixed with the rope on reel 9, and the free end of rope passes bracing piece 4 and fixes on unmanned aerial vehicle fuselage 10.
Unmanned aerial vehicle descending mechanism be provided with two, and be symmetrical arrangement. The frame arm connecting piece 3 is a plate-shaped piece. The middle part of the support rod 4 is provided with a hole for a rope to pass through. The first lifting frame arm 1, the second lifting frame arm 2 and the support rod 4 are made of aluminum alloy, and an iron block is embedded in the support rod 4. The supporting rod is provided with a rubber cushion pad.
The working process of the utility model is as follows: when the unmanned aerial vehicle lands, the supporting rod 4 is in contact with the ground, and under the action of the spring A, the spring B and the spring C, buffering exists between the undercarriage and the unmanned aerial vehicle, so that the impact of the undercarriage on the unmanned aerial vehicle is reduced, and the unmanned aerial vehicle can be safely landed; after the unmanned aerial vehicle takes off, motor 8 rotates and makes the rope winding on reel 9, and rope pulling bracing piece upward movement makes the undercarriage fold, has reduced the volume of undercarriage, and the air resistance when having reduced the flight has guaranteed that unmanned aerial vehicle stably flies.
Claims (1)
1. An unmanned aerial vehicle landing mechanism is characterized by comprising a first landing gear arm (1), a second landing gear arm (2), a frame arm connecting piece (3) and a linear driving device, wherein the frame arm connecting piece (3) is fixed below an unmanned aerial vehicle body (10), the first landing gear arm (1) and the second landing gear arm (2) are rod-shaped pieces, one end of the first landing gear arm (1) is hinged to the frame arm connecting piece (3), the other end of the first landing gear arm (1) is hinged to one end of the second landing gear arm (2), the other end of the second landing gear arm (2) is hinged to a supporting rod (4), a spring A (5) is arranged between the unmanned aerial vehicle body (10) and the first landing gear arm (1), one end of the spring A (5) is fixed on the unmanned aerial vehicle body (10), the other end of the spring A (5) is fixed at one end, far away from the unmanned aerial vehicle, of the first landing gear arm (1), a spring B (6) is arranged between the first landing gear arm (1) and the second landing gear arm (2), one end of the spring B (6) is fixed at one end, close to the unmanned aerial vehicle, of the first landing gear arm (1), the other end of the spring B (6) is fixed on the second landing gear arm (2), and the fixed point is located at one end, close to the second landing gear arm (2), of the end hinged with the support rod (4); a spring C (7) is arranged between the second landing gear arm (2) and the support rod (4), one end of the spring C (7) is fixed on the second landing gear arm (2), the fixed point is positioned at one end close to the hinged point of the spring C (7) and the first landing gear arm (1), the other end of the spring C (7) is fixed on the support plate, and the fixed point is positioned at one end far away from the hinged point of the support plate and the second landing gear arm (2); the spring A (5), the spring B (6) and the spring C (7) are all vertically arranged, and the support rod (4) is horizontally arranged;
a motor (8) is arranged on the unmanned aerial vehicle body (10), the shaft of the motor (8) is parallel to the support rod (4), a winding drum (9) is arranged at the front end of the shaft of the motor (8), a rope is fixed on the winding drum (9), and the free end of the rope penetrates through the support rod (4) and is fixed on the unmanned aerial vehicle body (10); the middle part of the supporting rod (4) is provided with a hole for a rope to pass through; the first lifting frame arm (1), the second lifting frame arm (2) and the support rod (4) are made of aluminum alloy, and an iron block is embedded in the support rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820167534.7U CN211391671U (en) | 2018-01-31 | 2018-01-31 | Unmanned aerial vehicle descending mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820167534.7U CN211391671U (en) | 2018-01-31 | 2018-01-31 | Unmanned aerial vehicle descending mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211391671U true CN211391671U (en) | 2020-09-01 |
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ID=72211726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820167534.7U Expired - Fee Related CN211391671U (en) | 2018-01-31 | 2018-01-31 | Unmanned aerial vehicle descending mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211391671U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113148119A (en) * | 2021-05-25 | 2021-07-23 | 中国航天空气动力技术研究院 | Retractable undercarriage structure of long-endurance large-wingspan unmanned aerial vehicle |
-
2018
- 2018-01-31 CN CN201820167534.7U patent/CN211391671U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113148119A (en) * | 2021-05-25 | 2021-07-23 | 中国航天空气动力技术研究院 | Retractable undercarriage structure of long-endurance large-wingspan unmanned aerial vehicle |
| CN113148119B (en) * | 2021-05-25 | 2022-05-24 | 中国航天空气动力技术研究院 | Retractable undercarriage structure of long-endurance large-wingspan unmanned aerial vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 Termination date: 20220131 |
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| CF01 | Termination of patent right due to non-payment of annual fee |